CVE-2021-1844 – webkitgtk: Memory corruption issue leading to arbitrary code execution
https://notcve.org/view.php?id=CVE-2021-1844
A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary code execution. Se abordó un problema de corrupción de memoria con una comprobación mejorada. Este problema es corregido en iOS versión 14.4.1 y iPadOS versión 14.4.1, Safari versión 14.0.3 (versiones v.14610.4.3.1.7 y 15610.4.3.1.7), watchOS versión 7.3.2, macOS Big Sur versión 11.2.3. • http://seclists.org/fulldisclosure/2021/Apr/55 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU https://support.apple.com/en-us/HT212220 https://support.apple.com/en-us/HT212221 https://support.apple.com/en-us/HT212222 https://support.apple.com/en-us/HT212223 https://support.apple.com/kb/HT212323 https://www.debian.org/security/2021/dsa-4923 https://access.redhat.com/security/cve/CVE-2021-1844 https://b • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •
CVE-2021-1805 – Apple macOS process_token_BindQueryBufferMultiple Out-Of-Bounds Write Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2021-1805
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges. Se abordó una escritura fuera de límites con una comprobación de la entrada mejorada. Este problema es corregido en macOS Big Sur versión 11.2.1, Supplemental Update de macOS Catalina versión 10.15.7, Security Update de macOS Mojave versión 10.14.6 2021-002. • http://seclists.org/fulldisclosure/2021/Apr/54 https://support.apple.com/en-us/HT212177 https://support.apple.com/kb/HT212327 • CWE-787: Out-of-bounds Write •
CVE-2021-1806 – Apple macOS process_token_BlitLibSetup2D Time-Of-Check Time-Of-Use Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2021-1806
A race condition was addressed with additional validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges. Se abordó una condición de carrera con una comprobación adicional. Este problema es corregido en macOS Big Sur versión 11.2.1, Supplemental Update de macOS Catalina versión 10.15.7, Security Update de macOS Mojave versión 10.14.6 2021-002. • http://seclists.org/fulldisclosure/2021/Apr/54 https://support.apple.com/en-us/HT212177 https://support.apple.com/kb/HT212327 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVE-2020-29624 – Apple CoreText libFontParser.dylib Stack Corruption
https://notcve.org/view.php?id=CVE-2020-29624
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution. Se presentó un problema de corrupción de memoria en un procesamiento de archivos de fuentes. • https://support.apple.com/en-us/HT212003 https://support.apple.com/en-us/HT212005 https://support.apple.com/en-us/HT212009 https://support.apple.com/en-us/HT212011 • CWE-787: Out-of-bounds Write •
CVE-2021-1775 – Apple macOS libFontParser TTF Parsing Integer Underflow Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2021-1775
This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Processing a maliciously crafted font may lead to arbitrary code execution. Este problema es abordado al eliminar el código vulnerable. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. • https://support.apple.com/en-us/HT212147 •